radeonsi: extract COMPUTE_RESOURCE_LIMITS code into a helper
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de> Acked-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
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@ -753,18 +753,14 @@ static void si_setup_tgsi_user_data(struct si_context *sctx,
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}
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}
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static void si_emit_dispatch_packets(struct si_context *sctx,
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const struct pipe_grid_info *info)
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unsigned si_get_compute_resource_limits(struct si_screen *sscreen,
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unsigned waves_per_threadgroup,
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unsigned max_waves_per_sh)
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{
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struct si_screen *sscreen = sctx->screen;
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struct radeon_cmdbuf *cs = sctx->gfx_cs;
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bool render_cond_bit = sctx->render_cond && !sctx->render_cond_force_off;
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unsigned waves_per_threadgroup =
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DIV_ROUND_UP(info->block[0] * info->block[1] * info->block[2], 64);
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unsigned compute_resource_limits =
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S_00B854_SIMD_DEST_CNTL(waves_per_threadgroup % 4 == 0);
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if (sctx->chip_class >= GFX7) {
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if (sscreen->info.chip_class >= GFX7) {
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unsigned num_cu_per_se = sscreen->info.num_good_compute_units /
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sscreen->info.max_se;
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@ -775,17 +771,29 @@ static void si_emit_dispatch_packets(struct si_context *sctx,
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if (num_cu_per_se % 4 && waves_per_threadgroup == 1)
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compute_resource_limits |= S_00B854_FORCE_SIMD_DIST(1);
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compute_resource_limits |= S_00B854_WAVES_PER_SH(sctx->cs_max_waves_per_sh);
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compute_resource_limits |= S_00B854_WAVES_PER_SH(max_waves_per_sh);
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} else {
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/* GFX6 */
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if (sctx->cs_max_waves_per_sh) {
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unsigned limit_div16 = DIV_ROUND_UP(sctx->cs_max_waves_per_sh, 16);
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if (max_waves_per_sh) {
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unsigned limit_div16 = DIV_ROUND_UP(max_waves_per_sh, 16);
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compute_resource_limits |= S_00B854_WAVES_PER_SH_SI(limit_div16);
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}
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}
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return compute_resource_limits;
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}
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static void si_emit_dispatch_packets(struct si_context *sctx,
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const struct pipe_grid_info *info)
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{
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struct si_screen *sscreen = sctx->screen;
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struct radeon_cmdbuf *cs = sctx->gfx_cs;
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bool render_cond_bit = sctx->render_cond && !sctx->render_cond_force_off;
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unsigned waves_per_threadgroup =
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DIV_ROUND_UP(info->block[0] * info->block[1] * info->block[2], 64);
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radeon_set_sh_reg(cs, R_00B854_COMPUTE_RESOURCE_LIMITS,
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compute_resource_limits);
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si_get_compute_resource_limits(sscreen, waves_per_threadgroup,
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sctx->cs_max_waves_per_sh));
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unsigned dispatch_initiator =
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S_00B800_COMPUTE_SHADER_EN(1) |
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@ -1304,6 +1304,9 @@ unsigned si_end_counter(struct si_screen *sscreen, unsigned type,
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uint64_t begin);
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/* si_compute.c */
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unsigned si_get_compute_resource_limits(struct si_screen *sscreen,
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unsigned waves_per_threadgroup,
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unsigned max_waves_per_sh);
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void si_init_compute_functions(struct si_context *sctx);
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/* si_perfcounters.c */
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